REVISION (C-4)

Which number is greater? 665785 and 676865

And which place value decides which number is greater by comparing

• 665785,ten thousand

• 676865,ten thousand

• 676865,lakh

• 665785, lakh

multiple of a number is always_____ or _____ the number itself.

• less than, equal to

• Greater than, equal to

• Equal to , equal to

• None

A number has_____ number of multiples.

• countable

• limited

• uncountable

• none

Find a number that is multiple of both 5 and 8

• 15

• 30

• 32

• 40

Which is the smallest factor of every number.

• Number itself

• 0

• 1

• 2

What are the prime factors of 42

• 2,3,5,7

• 2,3,6,7

• 1,2,3,6,7,21,42

• 2,3,7

Among these find the prime numbers:

23, 31, 42, 51, 55, 59, 91, 93, 99

• 23,31,51,59,91

• 23,31,59,91,93

• 23,31,59

• 23,31,59,91

Find the common factors of 27 and 45.

• 1, 3, 5, 9, 15

• 1, 3, 9

• 1, 3, 5, 9, 15,27

• 1, 3, 5

Subtract the sum of 4 and 6 from 12.

• 2

• 10

• 12

• 14

Complete the series: 4, 7, 10, 13, ___, ___

• 15, 18

• 16,19

• 17,20

• 14,17